Messages in this thread | | | From | "Tim Sander" <> | Subject | Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 | Date | Thu, 11 Aug 2011 17:28:29 +0200 |
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Hi Peter > Does the below (on top of -rt8) cure things for you? Shouldn't make a > difference for PREEMPT_LL though, so maybe there's something else busted > as well. But from what I can tell PREEMPT_BASE should be fine with such > things disabling preemption.. > > --- > Index: linux-2.6/include/linux/uaccess.h > =================================================================== > --- linux-2.6.orig/include/linux/uaccess.h > +++ linux-2.6/include/linux/uaccess.h > @@ -22,7 +22,7 @@ static inline void raw_pagefault_enable( > preempt_check_resched(); > } > > -#ifndef CONFIG_PREEMPT_RT_FULL > +#ifndef CONFIG_PREEMPT_RT_BASE > static inline void pagefault_disable(void) > { > raw_pagefault_disable(); > Index: linux-2.6/mm/memory.c > =================================================================== > --- linux-2.6.orig/mm/memory.c > +++ linux-2.6/mm/memory.c > @@ -3438,7 +3438,7 @@ int handle_pte_fault(struct mm_struct *m > return 0; > } > > -#ifdef CONFIG_PREEMPT_RT_FULL > +#ifdef CONFIG_PREEMPT_RT_BASE > void pagefault_disable(void) > { > migrate_disable(); The patch fixes the problem for CONFIG_PREEMPT_RTB but not for CONFIG_PREEMPT_LL. With the latter the error is still there.
Thanks Tim
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